Miami police detectives say they are still trying to piece together what happened to her while she was missing.

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Police need the public's help in identifying this man, a person of interest in the case.

Updated at 5:15 PM EDT on Thursday, Dec 19, 2013

The 4-year-old girl who was missing for almost two days was interviewed by police again Monday.

Miami Police detectives say they are still trying to piece together what happened to her while she was missing. Police say she was checked out by doctors and is in good health, but because they don't know exactly what happened to her while she was missing, they are asking NBC 6 not to use her name or her family's name any longer.

After being dropped off by an unmarked police car, the little girl's sister Kinesha told NBC 6 she was instructed not to talk about the new police interview.

"I can't tell you all anything, they said don't say anything," she says.

Detectives have put out two sketches. One is of a man seen roaming the Little Haiti area when the girl went missing; the other is of the man police say returned the girl Sunday morning.

"We do know that this individual was bringing her back at 5 o'clock in the morning and neighbors basically just surrounded him and starting asking him a million questions," Miami Police Spokesperson Sgt. Freddy Cruz said. "He took off before the officers were able to arrive," he added.

Police say both sketches could be of the same man and want to know why he had the girl with him.

"We need to interview him and find out what were his intentions of taking her and bringing her back," Cruz said.

In the meantime, her parents say they are overjoyed to have their daughter back safe and sound. Her mother Estelle spoke briefly to reporters outside of her home Monday morning. "She's OK, she's OK," she said.

The girl's parents say they too have questions about what happened to their daughter during her disappearance. Her father Joseph says he didn't sleep or eat on Friday or Saturday.

Miami Police say this is an open investigation. Detectives say they will be canvassing the area and handing out flyers with those sketches on them Wednesday morning. They urge anyone with information on the case to call Miami Dade Crimestoppers at 305-471-tips.